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Registered aircraft · FAA record as of September 25, 2026
N4121D

Helio H-391B

Pending Florida

N4121D is a Helio H-391B, a fixed-wing airplane with one motor with a piston engine, built in 1957. It has 4 seats. It is registered to an individual in Weirsdale, Florida. The FAA lists the registration as "registration pending". It holds a standard airworthiness certificate, dated January 4, 1957. 2 documents are on file: 2 × bill of sale (evidence of ownership).

Aircraft

Maker
Helio
Model
H-391B
Serial number
041
Type
Fixed-wing, single engine
Power
Piston (reciprocating), 1 motor · Lycoming GO-435C&D SER · 260 hp
Seats
4
Year built
1957
Cruising speed
117 mph
Transponder code
A4DE0D (octal 51157015)

Registration

Status
Registration pending
Certificate issued
—
Expires
—
Last FAA action
August 8, 2026
Airworthiness
Standard · January 4, 1957
FAA region
Southern
FAA record id
00011424

Owner as the FAA publishes it

Name
Registration Pending
Type
Individual
Address
17776 SE 158Th Ct
Weirsdale, FL 32195-3158

Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.

Documents on file 2

2026-09-01Bill of sale (evidence of ownership)
2026-09-01Bill of sale (evidence of ownership)

Source: FAA Civil Aviation Registry, Releasable Aircraft Database, September 25, 2026. See this record on the FAA site · This record as data